my friend and i do most of our work together...
i draw some and color using photoshop, and i do flash... she draws some, and inks, and does coloring with watercolor or colored pencils. so most of this is dual-art ^_^

we have a ton of others...i cant post them just now since DA wont work...but check out our gallery!!
we have a loot of naruto art, some bleach, some yu-gi-oh, chobits, some other stuff...an amazing outfit design for ino...soon ill have some other stuff up, but this is what i got for now!! XDDD
very nice job to everyone else on their arts!! XDDD

and from the images you direct linked, they are by SilverSapiron, sebychu, azusachan, and Beelz3Bub on DA, respectively. Are you any of them? Why don't you just be proud of your own work, and show us some of that? All the images you linked are from different DA accounts. >: